HID Current Draw??
Road Warrior
Joined: Aug 2008
Posts: 1,474
Likes: 1
From: Acworth, Ga
exactly... you shouldnt need led's unless your charging system is already taxed
Former Sponsor
Joined: Apr 2007
Posts: 5,360
Likes: 453
From: Davie, FL
a 35 watt
I senn HID's but not Harley type because they have only low beam and they are very expensive. In my unit a 35 watt kit draws 2.7 amps when warmed up but I have measured 2.2 amps fullly functioning. I do not know if this helps you.
Stellar HDF Member
Joined: Feb 2008
Posts: 2,336
Likes: 415
From: Southern Maryland
Ohm Law
The law is PIE: Power (P) equals Current (I) times Voltage(E).
So if the bulb is 55W and the voltage we know is 12V, then the current is .....
P(55W)=I(?)times E(12V)
55W=12(I)
I=55W/12V
I=4.58 Amps. Simple
So if the bulb is 55W and the voltage we know is 12V, then the current is .....
P(55W)=I(?)times E(12V)
55W=12(I)
I=55W/12V
I=4.58 Amps. Simple
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Road Captain
Joined: Mar 2008
Posts: 612
Likes: 0
From: Phila
Thanks guys..
GGC - Nice - you're one glow rail up on me!
FastHarley.. it's not a question of me changing to an HID, I already have the harley unit on the bike - it's got seperate reflectors for high and low beam.
Sandcrab - that law doesn't give me the answer for the HID system, since there's no wattage listed for the bulb. There's a ballast and an ignitor for the xenon tube.... I was looking for the current draw of the ballast.
I'm going to switch the running/turnsignals over to LED, since I added the 50 watt driving lights for nighttime - the ol night vision isn't what it used to be!
GGC - Nice - you're one glow rail up on me!
FastHarley.. it's not a question of me changing to an HID, I already have the harley unit on the bike - it's got seperate reflectors for high and low beam.
Sandcrab - that law doesn't give me the answer for the HID system, since there's no wattage listed for the bulb. There's a ballast and an ignitor for the xenon tube.... I was looking for the current draw of the ballast.
I'm going to switch the running/turnsignals over to LED, since I added the 50 watt driving lights for nighttime - the ol night vision isn't what it used to be!
Last edited by HawgriderPa; Oct 17, 2008 at 12:04 PM.
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Former Sponsor
Joined: Apr 2007
Posts: 5,360
Likes: 453
From: Davie, FL
Thanks guys..
GGC - Nice - you're one glow rail up on me!
FastHarley.. it's not a question of me changing to an HID, I already have the harley unit on the bike - it's got seperate reflectors for high and low beam.
Sandcrab - that law doesn't give me the answer for the HID system, since there's no wattage listed for the bulb. There's a ballast and an ignitor for the xenon tube.... I was looking for the current draw of the ballast.
I'm going to switch the running/turnsignals over to LED, since I added the 50 watt driving lights for nighttime - the ol night vision isn't what it used to be!
GGC - Nice - you're one glow rail up on me!
FastHarley.. it's not a question of me changing to an HID, I already have the harley unit on the bike - it's got seperate reflectors for high and low beam.
Sandcrab - that law doesn't give me the answer for the HID system, since there's no wattage listed for the bulb. There's a ballast and an ignitor for the xenon tube.... I was looking for the current draw of the ballast.
I'm going to switch the running/turnsignals over to LED, since I added the 50 watt driving lights for nighttime - the ol night vision isn't what it used to be!
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